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· Premium Member
295 Posts
the csrt4 motor and head is a world motor, and the nsrt4 is just a close match. If a stock srt can pass emissions in 50 states stock with no muffler, then you should be ok with a muffler. Im still researching this with some csrt4 guys. With MS you can put anything that fits in I still say if you can get one for 1200$ jump on it and we could work on the side build.
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